Black lava rock is a beautiful and classic aquascaping rock that provides a beautiful contrast with lush green aquarium plants. This beautifully textured rock is very light and porous, making it ideal for attaching plants like moss, Anubias and Java Fern. The porosity of the rock also makes it ideal for housing beneficial bacteria which is great for high flow aquariums!
Small .5 - 2Lb / Med 2 - 6Lb. - / Large 6 - 11Lb all weights are approximate and rocks vary in width and height.